1. The environmental requirements of the installation of the instrument 2. Some common faults and troubleshooting methods in the work of the high-pressure constant-current pump (a total of six problems) 3. The cleaning method steps of the constant-current pump head (subject to actual operation) 1. The daily fault phenomena of ultraviolet detectors and the methods of judgment and elimination. 5. Several issues that should be noted in the use of the instrument. 6. Cleaning of the pool body. 7. Replacement and adjustment methods of deuterium lamps.
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